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Added cursor input management

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This commit is contained in:
Lorenzo Torres 2025-03-29 14:51:31 +01:00
parent 4a43e564d7
commit fd7973173f
3 changed files with 63 additions and 2 deletions
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26
src/renderer/Camera.zig
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@ -15,7 +15,31 @@ position: @Vector(3, f32),
target: @Vector(3, f32),
direction: @Vector(3, f32),
right: @Vector(3, f32),
front: @Vector(3, f32),
up: @Vector(3, f32),
speed: f32 = 2.5,
fn input(pool: *ecs.Pool) void {
fn getProjection(width: usize, height: usize) math.Matrix {
return math.Matrix.perspective(math.rad(45.0), (@as(f32, @floatFromInt(width)) / @as(f32, @floatFromInt(height))), 0.1, 10.0);
}
fn getView(self: Camera) math.Matrix {
math.lookAt(self.position, self.position + self.front, self.up);
}
fn moveCamera(pool: *ecs.Pool) void {
const input = pool.resources.input;
const camera = pool.resources.camera;
if (input.isKeyDown(.w)) {
camera.position += (camera.front * (camera.speed * pool.resources.delta_time));
}
if (input.isKeyDown(.s)) {
camera.position -= (camera.front * (camera.speed * pool.resources.delta_time));
}
if (input.isKeyDown(.a)) {
camera.position -= math.normalize(math.cross(camera.front, camera.up)) * (camera.speed * pool.resources.delta_time);
}
if (input.isKeyDown(.d)) {
camera.position += math.normalize(math.cross(camera.front, camera.up)) * (camera.speed * pool.resources.delta_time);
}
}

23
src/renderer/Window.zig
View file

@ -38,6 +38,7 @@ pub fn create(width: usize, height: usize, title: []const u8) !Window {
const raw = c.glfwCreateWindow(@intCast(width), @intCast(height), title.ptr, null, null);
c.glfwShowWindow(raw);
_ = c.glfwSetKeyCallback(raw, keyCallback);
_ = c.glfwSetCursorPosCallback(raw, cursorCallback);
return Window{
.title = title,
@ -73,6 +74,10 @@ pub fn destroy(self: Window) void {
c.glfwTerminate();
}
pub fn getTime() f32 {
return c.glfwGetTime();
}
pub fn keyCallback(window: ?*c.GLFWwindow, key: c_int, scancode: c_int, action: c_int, mods: c_int) callconv(.c) void {
_ = scancode;
_ = mods;
@ -85,3 +90,21 @@ pub fn keyCallback(window: ?*c.GLFWwindow, key: c_int, scancode: c_int, action:
}
}
}
pub fn cursorCallback(window: ?*c.GLFWwindow, x: f64, y: f64) callconv(.c) void {
if (c.glfwGetWindowUserPointer(window)) |r| {
const resources: *ecs.Resources = @alignCast(@ptrCast(r));
var input = resources.input;
if (input.mouse_first) {
input.mouse_x = x;
input.mouse_y = y;
input.mouse_first = false;
}
input.mouse_delta_x = (x - input.mouse_x);
input.mouse_delta_y = (y - input.mouse_y);
input.mouse_x = x;
input.mouse_y = y;
}
}